package com.itheima.service;

import com.itheima.entity.ResDate;
import com.itheima.pojo.Member;
import com.baomidou.mybatisplus.extension.service.IService;

public interface MemberService extends IService<Member> {



    /**
     * 默认查询一年注册用户的数据
     * @return
     */
    ResDate findAmounByYear();

    /**
     * 查询所有时间段会员用户注册的数据
     * @param start
     * @param end
     * @return
     */
    ResDate findDate(String start,String end);


    Member fingByTelephone(String telephone);
}
